pudata =[
    {
        "top":[
            {
                "i":"F1",
                "title":"进口水果"
            },
            {
                "a":"进口苹果",
                "b":"佳沛专区",
                "c":"泰国鲜果"
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    {
        "top":[
            {
                "i":"F2",
                "title":"国产水果"
            },
            {
                "a":"芒香四溢",
                "b":"南国风情",
                "c":"精选苹果"
            }
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    {
        "top":[
            {
                "i":"F3",
                "title":"海鲜水产"
            },
            {
                "a":"刺身专区",
                "b":"东海水产",
                "c":"海产干货"
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        ],
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    {
        "top":[
            {
                "i":"F4",
                "title":"精选肉类"
            },
            {
                "a":"欧洲天然猪",
                "b":"澳洲牛肉",
                "c":"肉类制品"
            }
        ],
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                "img_url":"http://img07.yiguoimg.com/d/others/181218/9288735686272402.jpg"
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            {
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    {
        "top":[
            {
                "i":"F5",
                "title":"禽类蛋品"
            },
            {
                "a":"原味蒸品",
                "b":"原汁煲汤",
                "c":"禽类分割品"
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    {
        "top":[
            {
                "i":"F6",
                "title":"粮油杂货"
            },
            {
                "a":" 休闲零食",
                "b":" 健康杂粮",
                "c":" 进口食用油"
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        ],
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                "img_url":"http://img07.yiguoimg.com/d/others/181218/9288735686534546.jpg"
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    {
        "top":[
            {
                "i":"F7",
                "title":"乳品糕点"
            },
            {
                "a":"味全乳品",
                "b":"精选蛋糕",
                "c":"美味面包"
            }
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    {
        "top":[
            {
                "i":"F8",
                "title":"饮料酒水"
            },
            {
                "a":" 饮用水",
                "b":" 果汁",
                "c":" 白葡萄酒"
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        ],
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    {
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                "i":"F9",
                "title":"方便速食"
            },
            {
                "a":"港式面点",
                "b":"湾仔码头",
                "c":"龙凤"
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]